4140 Pre-Hardened Steel Bar

This is a 4140 pre-hardened steel bar. It is 36 inches long, 1 inch thick, and 1-1/2 inches wide. This material is commonly used for shafts, gears, and other machinery components that require high strength and wear resistance without further heat treatment.

Specifications

Length	36"
Thickness	1"
Width	1-1/2"

About steel stock

4140 Pre-Hardened Steel Bar is listed under Steel Stock — hot and cold rolled bar, plate, sheet, angle and structural shapes. Steel stock encompasses a broad range of fundamental ferrous materials used in construction, fabrication, and mechanical engineering. These materials are typically available in hot-rolled (HR) and cold-rolled (CR) forms, with CR stock offering tighter dimensional tolerances, improved surface finish, and often higher strength due to work hardening.

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